<template>
    <div class="login_container">
        <div class="login_box">
            <!--头像区域 -->
            <div class="avatar_box">
                <img src="../assets/logo.png" alt="">
            </div>
            <!--登录表单 -->
            <el-form label-width="0px" ref="loginFormRef" :rules="loginFormRules" :model="loginForm" class="login_form">
                <el-form-item prop="username">
                    <el-input v-model="loginForm.username"  prefix-icon="iconfont icon-login_username"></el-input>
                </el-form-item>
                <el-form-item prop="password">
                    <el-input type="password" v-model="loginForm.password" prefix-icon="iconfont icon-mima "></el-input>
                </el-form-item>
                <el-form-item class="btns">
                   <el-button @click="login" type="primary">登录</el-button>
                   <el-button  @click="resetLoginForm" type="info">重置</el-button>
                </el-form-item>
            </el-form>
        </div>
    </div>
</template>

<script>
export default {
  data () {
    return {
      // 登录表单的数据绑定对象
      loginForm: {
        username: 'admin',
        password: '123456'
      },
      // 表单的验证规则对象
      loginFormRules: {
        username: [
          { required: true, message: '请输入登录的用户名', trigger: 'blur' },
          { min: 3, max: 10, message: '用户名长度 3 到 10 个字符', trigger: 'blur' }
        ],
        password: [
          { required: true, message: '请输入登录的密码', trigger: 'blur' },
          { min: 6, max: 15, message: '用户名长度 6 到 15 个字符', trigger: 'blur' }
        ]
      }
    }
  },
  methods: {
    // 点击重置按钮
    resetLoginForm () {
      // console.log(this)
      // 重置表单
      this.$refs.loginFormRef.resetFields()
    },
    login () {
      this.$refs.loginFormRef.validate(async (valid) => {
        if (!valid) return false
        const { data: res } = await this.$http.post('login', this.loginForm)
        if (res.meta.status !== 200) return this.$message.error('登录失败')
        this.$message.success('登录成功')
        console.log(res.data.token)
        window.sessionStorage.setItem('token', res.data.token)
        this.$router.push('/home')
      })
    }
  }
}
</script>

<style lang="less" scoped>
.login_container {
    background-color: #2b4b6b;
    height: 100%;
}
.login_box{
    width: 450px;
    height: 300px;
    background-color: #fff;
    border-radius: 3px;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%,-50%);
}
.avatar_box{
    height: 130px;
    width: 130px;
    border: 1px solid #eee;
    border-radius: 50%;
    padding: 10px;
    box-shadow: 0 0 10px #ddd;
    position: absolute;
    left: 50%;
    transform: translate(-50%,-50%);
    background-color: #fff;
    img {
        width: 100%;
        height: 100%;
        border-radius: 50%;
        background-color: #eee;
    }
}
.btns{
    display: flex;
    justify-content: flex-end;
}
.login_form{
    position: absolute;
    bottom: 0;
    width: 100%;
    padding: 0px 20px;
    box-sizing: border-box;
}
</style>
